<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <div>某个时间</div>
    <script>
  //1.获取元素
  var div = document.querySelector('div');
  //2.注册事件
  div.onclick = function() {
      console.log(div)
  }
    </script>
</body>
</html>